/**灰色色阶为公用颜色**/
@B000:#fff;
@B050:#f5f5f5;
@B100:#eee;
@B200:#e5e5e5;
@B300:#ddd;
@B400:#ccc;
@B500:#b5b5b5;
@B600:#9f9f9f;
@B700:#888;
@B800:#717171;
@B900:#575757;

@M001:#ff0000;
